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TROUBLESHOOTING & REPAIR
MOUNTING OF STUD TYPE DIODES TO ALUMINUM
HEAT SINKS
WARNING
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical trou- bleshooting assistance before you proceed. Call
DESCRIPTION
The following procedure will aid the technician in mounting stud type diodes to the alu- minum heat sinks on the R3R.
MATERIALS NEEDED
5/16” Nut driver
1/2” Open end wrench
Lincoln E1868 (Dow Corning 340) Heat Sink Compuond “Slip” type torque wrench
No. 000 fine steel wool
This procedure takes approximately 20 minutes
per diode to perform.
